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EnglishEdit

Alternative formsEdit

EtymologyEdit

ultra- +‎ high

AdjectiveEdit

ultra-high (not comparable)

  1. Very, extremely, or exceedingly high.
    ultra-high frequency
    ultra-high definition video
    • 2003, We could have ultra-high-resolution space telescopes capable of detecting Earth-like planets orbiting other stars. — The New Yorker, 17 & 24 Feb 2003